Exercise as fat loss 4 idiots review explains, has very many benefits to anyone who involves themselves in it and that is why many people are encouraged to try as much as possible to try and spare some time to exercise. If you are that person who has been wondering why you have been lacking sleep when the time reaches, the answer to your problem could be you do not exercise or even if you do, you do not exercise enough. A good exercise in the morning helps reduce stress and also improves ones moods. With stress being one factor that causes one to lack sleep and with exercise being one way to reduce the stress itself, you clearly see why exercise is good for you and how it enhances your sleep. Sleep means you get all the rest your body needs hence you wake up the next day feeling all fresh and energized.